House Minority Leader Nancy Pelosi on Tuesday hosted a town hall event in Phoenix to discuss the ramifications of President Trump's recent tax law. By the conclusion, it turned to guns, with the California Democrat saying it's time for change.

From the confines of his golf club, President Donald Trump offered support for a limited strengthening of federal background checks on gun purchases Monday while staying largely mum in the last few days about the victims of the Florida school massacre.

The warnings around Nikolas Cruz seemed to flash like neon signs: expelled from school, fighting with classmates, a fascination with weapons and hurting animals, disturbing images and comments posted to social media, previous mental health treatment.